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Shareholders' Equity - Share-Based Compensation Plans (Details) - USD ($)
$ in Thousands
3 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Equity [Abstract]    
Cost not yet recognized $ 6,200  
Cost not yet recognized, period for recognition 3 years 6 months 29 days  
Proceeds from common stock option exercises $ 309 $ 1,663